i have the blitz and it works great and is super heavy duty. I know this cause my 10 month old is constantly throwing it or chewing it and its still works great!lol Also everyone who sees it remarks about how cute it is!
The envy2 , I love it Hope that helped! Please answer mine http://answers.yahoo.com/question/index;_ylt=Ag2hM_DrU5hLVhwqEy8OJe7sy6IX;_ylv=3?qid=20090717102556AAKwvrY&show=7#profile-info-A99zGJ6daa